DE69420615T2 - Method and device for measuring bioelectric sources - Google Patents

Method and device for measuring bioelectric sources

Info

Publication number
DE69420615T2
DE69420615T2 DE69420615T DE69420615T DE69420615T2 DE 69420615 T2 DE69420615 T2 DE 69420615T2 DE 69420615 T DE69420615 T DE 69420615T DE 69420615 T DE69420615 T DE 69420615T DE 69420615 T2 DE69420615 T2 DE 69420615T2
Authority
DE
Germany
Prior art keywords
measuring bioelectric
sources
bioelectric sources
measuring
bioelectric
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69420615T
Other languages
German (de)
Other versions
DE69420615D1 (en
Inventor
Sadamu Tomita
Shigeki Kajihara
Yoshikazu Yoshida
Naokazu Yamaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shimadzu Corp
Original Assignee
Shimadzu Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP5160451A external-priority patent/JP2752885B2/en
Priority claimed from JP5160450A external-priority patent/JP2752884B2/en
Priority claimed from JP32095693A external-priority patent/JP3227958B2/en
Priority claimed from JP32095893A external-priority patent/JP3237359B2/en
Priority claimed from JP04722094A external-priority patent/JP3324262B2/en
Application filed by Shimadzu Corp filed Critical Shimadzu Corp
Publication of DE69420615D1 publication Critical patent/DE69420615D1/en
Application granted granted Critical
Publication of DE69420615T2 publication Critical patent/DE69420615T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/242—Detecting biomagnetic fields, e.g. magnetic fields produced by bioelectric currents
    • A61B5/245—Detecting biomagnetic fields, e.g. magnetic fields produced by bioelectric currents specially adapted for magnetoencephalographic [MEG] signals

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
DE69420615T 1993-06-04 1994-06-03 Method and device for measuring bioelectric sources Expired - Fee Related DE69420615T2 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP5160451A JP2752885B2 (en) 1993-06-04 1993-06-04 Life activity current source estimation method
JP5160450A JP2752884B2 (en) 1993-06-04 1993-06-04 Life activity current source estimation method
JP24561593 1993-09-30
JP32095693A JP3227958B2 (en) 1993-11-26 1993-11-26 Life activity current source estimation method
JP32095893A JP3237359B2 (en) 1993-11-26 1993-11-26 Life activity current source estimation method
JP04722094A JP3324262B2 (en) 1993-09-30 1994-03-17 Life activity current source estimation method

Publications (2)

Publication Number Publication Date
DE69420615D1 DE69420615D1 (en) 1999-10-21
DE69420615T2 true DE69420615T2 (en) 1999-12-30

Family

ID=27550256

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69420615T Expired - Fee Related DE69420615T2 (en) 1993-06-04 1994-06-03 Method and device for measuring bioelectric sources

Country Status (6)

Country Link
US (4) US5601081A (en)
EP (1) EP0627192B1 (en)
CN (2) CN1102774A (en)
CA (1) CA2125086A1 (en)
DE (1) DE69420615T2 (en)
FI (1) FI942643A (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3519141B2 (en) * 1994-10-31 2004-04-12 株式会社東芝 In vivo current source estimation method
JP3473210B2 (en) * 1995-08-31 2003-12-02 株式会社島津製作所 Biomagnetic measurement device
US5947899A (en) * 1996-08-23 1999-09-07 Physiome Sciences Computational system and method for modeling the heart
DE19808985B4 (en) * 1997-03-07 2012-06-14 Hitachi, Ltd. Method and device for biomagnetic field measurement
JP3237590B2 (en) * 1997-10-24 2001-12-10 株式会社日立製作所 Magnetic field measurement device
US6842637B2 (en) * 1997-10-24 2005-01-11 Hitachi, Ltd. Magnetic field measurement apparatus
JP4208275B2 (en) * 1997-10-30 2009-01-14 株式会社東芝 Diagnostic device for intracardiac electrical phenomenon and method for displaying the phenomenon
WO1999037206A1 (en) 1998-01-23 1999-07-29 Ctf Systems Inc. System and method for measuring, estimating and displaying rms current density maps
US6697660B1 (en) 1998-01-23 2004-02-24 Ctf Systems, Inc. Method for functional brain imaging from magnetoencephalographic data by estimation of source signal-to-noise ratio
WO2000010454A1 (en) * 1998-08-24 2000-03-02 Ctf Systems Inc. Functional brain imaging from magnetoencephalographic data
JP4068763B2 (en) 1999-06-21 2008-03-26 株式会社島津製作所 Biological signal measuring device
US6374131B1 (en) * 1999-07-28 2002-04-16 Shimadzu Corporation Biomagnetism measuring method and apparatus
JP3907353B2 (en) * 1999-08-26 2007-04-18 株式会社タニタ Bioimpedance measurement device
FI115737B (en) * 2003-09-26 2005-06-30 Elekta Neuromag Oy A method for using a multichannel measurement signal in source modeling
US20100219820A1 (en) * 2007-04-13 2010-09-02 University Of Floarida Research Foundation, Inc. Atomic Magnetometer Sensor Array Magnetoencephalogram Systems and Methods
US8406848B2 (en) * 2009-10-06 2013-03-26 Seiko Epson Corporation Reconstructing three-dimensional current sources from magnetic sensor data
KR101104316B1 (en) * 2009-10-30 2012-01-13 한국표준과학연구원 System and method for measuring magnetcardiograph of animal
US8970217B1 (en) 2010-04-14 2015-03-03 Hypres, Inc. System and method for noise reduction in magnetic resonance imaging
US9433363B1 (en) * 2015-06-18 2016-09-06 Genetesis Llc Method and system for high throughput evaluation of functional cardiac electrophysiology
EP3207866A1 (en) * 2016-02-18 2017-08-23 Biomagnetik Park GmbH Vector magnetocardiography method and vector magnetocardiographic system
CN105769168B (en) * 2016-03-30 2019-10-01 中国科学院上海微***与信息技术研究所 A kind of assisted location method, system and the equipment of magnetocardiogram current source
US10338157B2 (en) 2016-11-23 2019-07-02 The United States Of America, As Represented By The Secretary Of The Navy Detection of biomagnetic signals using quantum detector arrays
EP3684463A4 (en) 2017-09-19 2021-06-23 Neuroenhancement Lab, LLC Method and apparatus for neuroenhancement
US11717686B2 (en) 2017-12-04 2023-08-08 Neuroenhancement Lab, LLC Method and apparatus for neuroenhancement to facilitate learning and performance
US11273283B2 (en) 2017-12-31 2022-03-15 Neuroenhancement Lab, LLC Method and apparatus for neuroenhancement to enhance emotional response
US11364361B2 (en) 2018-04-20 2022-06-21 Neuroenhancement Lab, LLC System and method for inducing sleep by transplanting mental states
US11452839B2 (en) 2018-09-14 2022-09-27 Neuroenhancement Lab, LLC System and method of improving sleep
AU2020271483A1 (en) * 2019-01-27 2021-09-16 Tesseract Sensors, LLC Systems and methods for weapon and destructive device detection based on electromagnetic field profile
US11786694B2 (en) 2019-05-24 2023-10-17 NeuroLight, Inc. Device, method, and app for facilitating sleep

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5269325A (en) * 1989-05-26 1993-12-14 Biomagnetic Technologies, Inc. Analysis of biological signals using data from arrays of sensors
EP0449231B1 (en) * 1990-03-28 1995-11-29 Hitachi, Ltd. Process and apparatus for measuring the biocurrent distribution
JPH0687075B2 (en) * 1990-09-30 1994-11-02 工業技術院長 Vector magnetic flux measurement method and apparatus
JPH04357933A (en) * 1990-11-20 1992-12-10 Getsutsu:Kk Biological signal processor
JP3018540B2 (en) 1991-03-29 2000-03-13 株式会社島津製作所 3-axis gradiometer
US5594849A (en) * 1991-08-09 1997-01-14 Yale University Biomedical magnetism imaging apparatus and method
JPH0542119A (en) * 1991-08-12 1993-02-23 Fujitsu Ltd Biomagnetism measuring instrument
JPH0542116A (en) * 1991-08-13 1993-02-23 Hitachi Ltd Signal processing method for estimating in-vivo current distribution from biosurface potential distribution
DE4126949A1 (en) * 1991-08-16 1993-02-18 Siemens Ag METHOD FOR SIGNAL EVALUATION IN BIOMAGNETIC MEASURING DEVICES
JPH05220123A (en) * 1992-02-12 1993-08-31 Hitachi Ltd Method for estimating magnetic field generating source
JPH05220124A (en) * 1992-02-13 1993-08-31 Fujitsu Ltd Biomagnetism measuring instrument
JP3210088B2 (en) 1992-09-07 2001-09-17 株式会社東芝 Ultrasound diagnostic equipment

Also Published As

Publication number Publication date
DE69420615D1 (en) 1999-10-21
FI942643A (en) 1994-12-05
EP0627192A1 (en) 1994-12-07
CN1102774A (en) 1995-05-24
FI942643A0 (en) 1994-06-03
CN1491612A (en) 2004-04-28
US5671740A (en) 1997-09-30
EP0627192B1 (en) 1999-09-15
US5601081A (en) 1997-02-11
US5682889A (en) 1997-11-04
US5755227A (en) 1998-05-26
CA2125086A1 (en) 1994-12-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee